APA (7th ed.) Citation

Pacula, R. L., Chaloupka, F. J., Grossman, M., & Kilmer, B. (2010). Risks and practices: The role of user sanctions in marijuana markets.

Chicago Style (17th ed.) Citation

Pacula, Rosalie L., Frank J. Chaloupka, Michael Grossman, and Beau Kilmer. Risks and Practices: The Role of User Sanctions in Marijuana Markets. 2010.

MLA (9th ed.) Citation

Pacula, Rosalie L., et al. Risks and Practices: The Role of User Sanctions in Marijuana Markets. 2010.